I happen to self-host my websites using Cloudflare’s services (article 1, article 2). Since the FreeBSD port seems to be delaying its releases and Cloudflare’s policy on maintaining versions only considers 1 year old code, in an act of prevention I have learnt, and I am publishing, how to compile cloudflared in FreeBSD. Note: At […]
How to compile cloudflared in FreeBSD 13/14
Donation Time 2020
This 2020 has been a difficult year for everyone. Because of this difficulty and the opportunities I had the chance to take, I’ve been able to contribute back to the open source community, not just with content here in Adminbyaccident.com, advocacy for a few tools such as my favorite OS (FreeBSD) and the usual mouthful […]
How to mitigate Spectre and Meltdown on a Lenovo T430s laptop with Ubuntu
As recently announced in a previous article I wanted to write a couple of guides on how to mitigate Spectre and Meltdown vulnerabilities in GNU/Linux and UNIX environments. It is always a good and I hope a standard practice to have your systems patched and if they aren’t for whatever the reason (that legacy thing […]
What is GNU/Linux?
To answer this question one must split it. Plus make other questions like: «What is a, so called, Linux distro?». It seems complex and it is in a way. But let´s explain GNU/Linux in simple terms. GNU stands for GNU is Not UNIX. So it´s clear is not UNIX but it´s related to it in […]
How to install Drupal 8 on FreeBSD
NOTE: Drupal 8 will be soon oudated. A newer article to be released on October 24th on how to install Drupal 9 on FreeBSD can be found here. This is a quick, simple yet effective tutorial on how to install Drupal 8 on FreeBSD. Drupal is a robust, complete well stablished CMS used on many […]
Nessus vulnerability scanner
Nessus is a very well known vulnerability scanner used by many large and small companies to assess their systems and correct the issues found in them. Cybersecurity teams and specially auditors, make heavy use of tools like this in order to follow up the state of infrastructure and environments. Having a tool like this saves […]
The LAMP stack (Debian 9)
LAMP stack stands for a software stack composed by Linux, Apache, MySQL and PHP (or Perl). It is used for many purposes and its common ground for system administrators. Since there are several of Linux distributions there are some differences in the way the LAMP stack is installed. In this guide we are using the […]
How to replace a disk on a ZFS mirror pool
It’s happened to me, it’s happened to you, it’s happened more than one million times and it will still happen in the future. You run out of disk space or a disk fails. Nowadays you are using ZFS, and instead of having a fancy RAIDZ, because you still don’t need it, you are using a […]
List of Speculative Execution Vulnerabilities
Vulnerability CVE Exploit name Public vulnerability name Firmware changes Spectre 2017-5753 Variant 1 Bounds Check Bypass (BCB) No Spectre 2017-5715 Variant 2 Branch Target Injection (BTI) Yes Meltdown 2017-5754 Variant 3 Rogue Data Cache Load (RDCL) No Spectre-NG 2018-3640 Variant 3a Rogue System Register Read (RSRE) Yes Spectre-NG 2018-3639 Variant 4 Speculative Store Bypass (SSB) […]
How to install the FAMP stack
You may have heard of the LAMP stack which stands for Linux, Apache, MySQL and PHP or Perl. This is the same but instead of using the GNU/Linux operating system we’ll use FreeBSD. This is the FAMP stack. There are two ways to install software in FreeBSD, packages and the ports collections. Which in the […]